GB857392A - Improvements in or relating to electromagnetically operated mercury switches - Google Patents
Improvements in or relating to electromagnetically operated mercury switchesInfo
- Publication number
- GB857392A GB857392A GB2934258A GB2934258A GB857392A GB 857392 A GB857392 A GB 857392A GB 2934258 A GB2934258 A GB 2934258A GB 2934258 A GB2934258 A GB 2934258A GB 857392 A GB857392 A GB 857392A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mercury
- float
- pot
- components
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/18—Switches having at least one liquid contact with level of surface of contact liquid displaced by non-electrical contact-making plunger
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Manufacture Of Switches (AREA)
Abstract
857,392. Mercury switches. REBAUQUECKSILBER - RELAISBAU G.m.b.H. Sept. 12, 1958, No. 29342/58. Class 38 (5). An electromagnetic relay with mercury contacts in a sealed tube has its components encased in a compound 25 such as an epoxy resin which is moulded around the components so as to hold them in position. A mounting-plate 27 may be cast in position with the assembly or may be secured to a threaded bush (not shown) which is placed in the mould with the other components. The sealed tube has two metal parts 8, 9 separated by resin 10, and to which the connectors 7, 7<SP>1</SP> are soldered. A quartz or ceramic insulator 11 separates the upper end of the part 9 from the cap part 8. The tube is partially filled with mercury 12 in which a magnetic float 13 normally maintains an insulating pot 14 so that the mercury therein, which is in contact with an electrode 15 welded to cap 8, is separated from the mercury 12. When the coil 2 is energized the float 13 is attracted to bridge a non-magnetic insert 17 in the part 9 and the mercury in the pot 14 combines with the mercury 12, to complete a circuit between the connectors 7, 7<SP>1</SP>. The float is guided for vertical movement by an apertured disc 18 engaging the pot 14 and by cams, balls or rollers 16 which bear on the inside wall of the part 9. The part 8 has an inwardly-bent flange 24 which, if there is an explosion within the tube, will engage a shoulder 23 of the part 9 and prevent separation of the parts 8, 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2934258A GB857392A (en) | 1958-09-12 | 1958-09-12 | Improvements in or relating to electromagnetically operated mercury switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2934258A GB857392A (en) | 1958-09-12 | 1958-09-12 | Improvements in or relating to electromagnetically operated mercury switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB857392A true GB857392A (en) | 1960-12-29 |
Family
ID=10290032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2934258A Expired GB857392A (en) | 1958-09-12 | 1958-09-12 | Improvements in or relating to electromagnetically operated mercury switches |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB857392A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3492611A (en) * | 1968-02-10 | 1970-01-27 | Rudolf Kolb | Electromagnetically operated mercury switch |
| WO2023134902A1 (en) * | 2022-01-13 | 2023-07-20 | Siemens Aktiengesellschaft | Housing outer part |
-
1958
- 1958-09-12 GB GB2934258A patent/GB857392A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3492611A (en) * | 1968-02-10 | 1970-01-27 | Rudolf Kolb | Electromagnetically operated mercury switch |
| DE1665511B1 (en) * | 1968-02-10 | 1971-04-01 | Rebau Quecksilber Relaisbau Gm | ELECTROMAGNETICALLY ACTUATED MERCURY SWITCH WITH A MERCURY TUBE |
| WO2023134902A1 (en) * | 2022-01-13 | 2023-07-20 | Siemens Aktiengesellschaft | Housing outer part |
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